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'I probably took more than anybody could survive. I was bangin' seven-gram rocks and finishing them because that's how I roll, because I have one speed, one gear. I'm different. I have a different constitution, I have a different brain, I have a different heart. I got tiger blood, man. Dying's for fools, dying's for amateurs.' - Charlie Sheen on his past drug habits to ABC News' Andrea Canning during an interview that aired on '20/20' on March 1, 2011.